Automatic sample culture device

Abstract

The utility model provides an automatic sample culture device which comprises a culture device shell and an environment console, the inner side surface of the culture device shell is fixedly connected with the environment console, a vessel switching mechanism is arranged on the inner side surface of the culture device shell, a self-service sampling mechanism is arranged on the outer side surface of the culture device shell, and the environment console is fixedly connected with the environment console. A device top cover and a vessel switching mechanism are connected to the surface of the top of the culture device shell in a clamped mode, the position of a culture dish can be accurately controlled, accuracy and high efficiency of fixed-point automatic sampling are achieved, a self-service sampling mechanism enables a sampling tool to accurately move to the top of the culture dish through an accurate guide groove and an arc path, and the sampling efficiency is improved. The sampling process is simplified, the accuracy and the stability of sampling are improved, and the effect of improving the repeatability of experiments and the convenience of operation in the medical sample culture process is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field related to medical inspection, and in particular to an automatic sample cultivation device. Background Art

[0002] Medical test sample culture is one of the important laboratory techniques in clinical medicine. It is used to detect microorganisms in body fluids, tissues or secretions. This process aims to cultivate and proliferate pathogenic microorganisms that may be present in patient samples for further identification and drug sensitivity testing. In medical tests, samples usually involve blood, urine, cerebrospinal fluid, secretions, etc. By placing these samples in culture dishes containing appropriate culture media and providing suitable temperature, humidity and atmosphere conditions, laboratory technicians can promote the growth and reproduction of potential pathogens. The culture time can range from hours to days, depending on the type of microorganisms detected and the culture conditions. By observing the growth of the culture dish, laboratory personnel can preliminarily determine whether there are pathogenic microorganisms in the sample, thereby helping doctors make more accurate diagnoses. In addition, culture also provides samples for subsequent drug sensitivity tests and molecular biological tests. During the use process, during the sample culture process, it is necessary to regularly monitor the growth of the sample, including cell proliferation, growth rate, cell density, etc. By sampling, the growth status information of the sample can be obtained to help researchers understand the response of organisms under different conditions, so an automatic sample culture device is particularly needed.

[0003] However, most of the existing sample culture devices have a relatively low level of automation during use, making it difficult to achieve accurate control of the position of the culture dish and automatic sampling, which may limit the efficiency and automation level of the experiment during high-throughput experiments and long-term culture processes. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic sample culture device to solve the problem that the conventional sample culture devices proposed in the above-mentioned background technology have a relatively low level of automation during use, and it is difficult to achieve accurate control of the position of the culture dish and automatic sampling, which may limit the efficiency and automation level of the experiment in high-throughput experiments and long-term culture processes.

[0005] To achieve the above-mentioned purpose, the utility model provides an automatic sample culture device, including a culture device shell and an environmental control console, the inner surface of the culture device shell is fixedly connected to the environmental control console, the inner surface of the culture device shell is provided with a vessel switching mechanism, the outer surface of the culture device shell is provided with a self-service sampling mechanism, and the top surface of the culture device shell is snap-connected with a device top cover.

[0006] Preferably, the vessel switching mechanism includes a first electric motor, an active dial, a driven groove wheel, a mounting tray and a culture dish, the top surface of the culture device shell is fixedly connected to the first electric motor, the output end of the first electric motor is fixedly connected to the active dial, the inner surface of the culture device shell is rotatably connected to the driven groove wheel, the top surface of the driven groove wheel is fixedly connected to the mounting tray, and the inner surface of the mounting tray is slidably connected to the culture dish.

[0007] Preferably, the active dial is meshed with a driven sheave, and the number of grooves of the driven sheave is six.

[0008] Preferably, the number of the culture dishes is six, and the culture dishes are distributed in a ring shape on the top surface of the mounting tray.

[0009] Preferably, the culture dish corresponds to the position of the groove on the driven groove wheel.

[0010] Preferably, the self-service sampling mechanism includes a placement box, a guide groove, a push rod, a compression spring, a second electric motor and a small cam. The outer surface of the culture device shell is fixedly connected to the placement box, the inner surface of the placement box is provided with a guide groove, the inner surface of the placement box is slidably connected to the push rod, the outer surface of the push rod is sleeved with a compression spring, the top surface of the placement box is fixedly connected to the second electric motor, and the output end of the second electric motor is fixedly connected to the small cam.

[0011] Preferably, the placing box penetrates to the inner surface of the outer shell of the culture device, and the guiding groove penetrates the placing box.

[0012] Preferably, the small cam is slidably connected to the top surface of the push rod, and the compression spring is fixedly connected to the top surface of the push rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the automatic sample culture device, the vessel switching mechanism can accurately control the position of the culture dish through the design of the first electric motor and the active dial, and each rotation of sixty degrees makes the position of the culture dish correspond to the push rod of the self-service sampling mechanism, thereby achieving the accuracy and efficiency of fixed-point automatic sampling. The self-service sampling mechanism adopts a linkage design of a small cam and a second electric motor, and through accurate guide grooves and arc paths, the sampling tool can be accurately moved to the top of the culture dish, and then automatic sampling is achieved by pressing the small cam. This design simplifies the sampling process, improves the accuracy and stability of sampling, and achieves the effect of helping to improve the repeatability of the experiment and the convenience of operation in the process of medical sample culture. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a side view schematic diagram of the internal structure of the utility model;

[0015] Figure 2 It is a side view schematic diagram of the overall structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the driven groove wheel and the mounting tray cooperating with each other in the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the active dial and the driven groove wheel cooperating with each other in the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the mutual cooperation of the components of the self-service sampling mechanism of the utility model;

[0019] Figure 6 This is a schematic diagram of the structure of the insertion box and the guide groove cooperating with each other in the utility model.

[0020] In the figure: 1. Culture device housing; 2. Environmental control console; 3. Vessel switching mechanism; 301. First electric motor; 302. Active dial; 303. Driven groove wheel; 304. Mounting tray; 305. Culture dish; 4. Self-service sampling mechanism; 401. Placement box; 402. Guide groove; 403. Push rod; 404. Compression spring; 405. Second electric motor; 406. Small cam; 5. Device top cover. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-6 The utility model provides an automatic sample culture device: it includes a culture device shell 1 and an environment control console 2, the inner surface of the culture device shell 1 is fixedly connected with the environment control console 2, the inner surface of the culture device shell 1 is provided with a vessel switching mechanism 3, the outer surface of the culture device shell 1 is provided with a self-service sampling mechanism 4, the top surface of the culture device shell 1 is snap-connected with a device top cover 5, the culture device shell 1 is installed and protects internal components, and interacts with the outside world through the device top cover 5, and the internal environment control console 2 is used to provide the required environmental requirements, temperature or humidity, etc. for the sample.

[0023] Furthermore, the vessel switching mechanism 3 includes a first electric motor 301, an active dial 302, a driven groove wheel 303, a mounting tray 304 and a culture dish 305. The top surface of the culture device housing 1 is fixedly connected to the first electric motor 301, the output end of the first electric motor 301 is fixedly connected to the active dial 302, the inner side surface of the culture device housing 1 is rotatably connected to the driven groove wheel 303, the top surface of the driven groove wheel 303 is fixedly connected to the mounting tray 304, and the inner side surface of the mounting tray 304 is slidably connected to the culture dish 305. 5, during use, the first electric motor 301 is started to drive the active dial 302 to rotate, the active dial 302 is meshed with the driven groove wheel 303 and can only be driven to rotate when the dial on the active dial 302 is meshed with the groove of the driven groove wheel 303, and each time it rotates sixty degrees, and the driven groove wheel 303 does not rotate when it is not meshed, so that it can be ensured that the driven groove wheel 303 drives the mounting tray 304 and the culture dish 305 thereon to rotate sixty degrees each time, and the position of the culture dish 305 corresponds to the position of the groove on the driven groove wheel 303, so that after each rotation, the position of the culture dish 305 must be directly below the push rod 403 on the self-service sampling mechanism 4, so as to facilitate sampling.

[0024] Furthermore, the active dial 302 is meshed with the driven sheave wheel 303, and the number of grooves of the driven sheave wheel 303 is six. The first electric motor 301 is started to drive the active dial 302 to rotate. The active dial 302 is meshed with the driven sheave wheel 303 and can only be driven to rotate when the dial on the active dial 302 is meshed with the groove of the driven sheave wheel 303, and each rotation is sixty degrees.

[0025] Furthermore, the number of the culture dishes 305 is six, and the culture dishes 305 are distributed in a ring on the top surface of the mounting tray 304. Multiple groups of culture dishes 305 are used to cultivate different samples, and the ring distribution facilitates sampling.

[0026] Furthermore, the position of the culture dish 305 corresponds to the position of the groove on the driven groove wheel 303, so that after each rotation, the position of the culture dish 305 must be directly below the push rod 403 on the self-service sampling mechanism 4 to facilitate sampling.

[0027] Furthermore, the self-service sampling mechanism 4 includes a placing box 401, a guide groove 402, a push rod 403, a compression spring 404, a second electric motor 405 and a small cam 406. The outer surface of the culture device shell 1 is fixedly connected with the placing box 401, the inner surface of the placing box 401 is provided with a guide groove 402, the inner surface of the placing box 401 is slidably connected with the push rod 403, the outer surface of the push rod 403 is sleeved with a compression spring 404, the top surface of the placing box 401 is fixedly connected with the second electric motor 405, and the output end of the second electric motor 405 is fixedly connected with the small cam 406. The compression spring 404, the second electric motor 405 and the small cam 406 are arranged. During use, the sampling tool is placed in the guide groove 402 in the placing box 401. The guide groove 402 can limit the moving path of the sampling tool, and the end is an arc, so that the sampling tool can be rotated to the top of the culture dish 305. At this time, the second electric motor 405 is started, which drives the small cam 406 to rotate and presses the push rod 403 and the compression spring 404 through the flange. The push rod 403 drives the sampling tool to be pressed down into the culture dish 305 for sampling. After the flange of the small cam 406 is no longer in contact with the push rod 403, the compression spring 404 drives the push rod 403 to reset, completing one sampling.

[0028] Furthermore, the placing box 401 penetrates to the inner surface of the culture device shell 1, and the guide groove 402 penetrates the placing box 401, and the sampling tool is placed in the guide groove 402 in the placing box 401. The guide groove 402 can limit the moving path of the sampling tool.

[0029] Furthermore, the small cam 406 is slidably connected to the top surface of the push rod 403, and the compression spring 404 is fixedly connected to the top surface of the push rod 403. The push rod 403 drives the sampling tool to be pressed down into the culture dish 305 for sampling. After the flange of the small cam 406 is no longer in contact with the push rod 403, the compression spring 404 drives the push rod 403 to reset.

[0030] Working principle: An automatic sample culture device. During use, the culture device shell 1 installs and protects the internal components, interacts with the outside world through the device top cover 5, and the internal environment control console 2 is used to provide the required environmental requirements for the sample. The first electric motor 301 is started to drive the active dial 302 to rotate. The active dial 302 is engaged with the driven groove wheel 303 and can only be driven to rotate when the dial on the active dial 302 is engaged with the groove of the driven groove wheel 303, and each time it rotates sixty degrees, and the driven groove wheel 303 does not rotate when it is not engaged. In this way, it can be ensured that the driven groove wheel 303 drives the installation tray 304 and the culture dish 305 thereon to rotate sixty degrees each time, and the position of the culture dish 305 corresponds to the position of the groove on the driven groove wheel 303, so that After each rotation, the position of the culture dish 305 must be directly below the push rod 403 on the self-service sampling mechanism 4 to facilitate sampling. The sampling tool is placed in the guide groove 402 in the placement box 401. The guide groove 402 can limit the moving path of the sampling tool, and the end is an arc, so that the sampling tool can be rotated to the top of the culture dish 305. At this time, the second electric motor 405 is started, which drives the small cam 406 to rotate and press the push rod 403 and the compression spring 404 through the flange. The push rod 403 drives the sampling tool to be pressed down into the culture dish 305 for sampling. After the flange of the small cam 406 is no longer in contact with the push rod 403, the compression spring 404 drives the push rod 403 to reset, completing one sampling. In this way, an automatic sample culture device is completed.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the implementation rules without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sample automatic culture device, comprising a culture device housing (1) and an environmental control console (2), characterized in that: The inner surface of the culture device shell (1) is fixedly connected to an environmental control console (2), the inner surface of the culture device shell (1) is provided with a vessel switching mechanism (3), the outer surface of the culture device shell (1) is provided with a self-service sampling mechanism (4), and the top surface of the culture device shell (1) is snap-connected to a device top cover (5); The vessel switching mechanism (3) comprises a first electric motor (301), an active dial (302), a driven groove wheel (303), a mounting tray (304) and a culture dish (305); the top surface of the culture device housing (1) is fixedly connected to the first electric motor (301); the output end of the first electric motor (301) is fixedly connected to the active dial (302); the inner surface of the culture device housing (1) is rotatably connected to the driven groove wheel (303); the top surface of the driven groove wheel (303) is fixedly connected to the mounting tray (304); and the inner surface of the mounting tray (304) is slidably connected to the culture dish (305).

2. The automatic sample culture device according to claim 1, characterized in that: The active dial (302) meshes with a driven groove wheel (303), and the number of grooves of the driven groove wheel (303) is six.

3. The automatic sample culture device according to claim 1, characterized in that: The number of the culture dishes (305) is six, and the culture dishes (305) are distributed in a ring shape on the top surface of the mounting tray (304).

4. The automatic sample culture device according to claim 1, characterized in that: The culture dish (305) corresponds to the position of the groove on the driven groove wheel (303).

5. The automatic sample culture device according to claim 1, characterized in that: The self-service sampling mechanism (4) comprises a placement box (401), a guide groove (402), a push rod (403), a compression spring (404), a second electric motor (405) and a small cam (406); the outer surface of the culture device housing (1) is fixedly connected to the placement box (401); the inner surface of the placement box (401) is provided with a guide groove (402); the inner surface of the placement box (401) is slidably connected to the push rod (403); the outer surface of the push rod (403) is sleeved with a compression spring (404); the top surface of the placement box (401) is fixedly connected to the second electric motor (405); and the output end of the second electric motor (405) is fixedly connected to the small cam (406).

6. The automatic sample culture device according to claim 5, characterized in that: The placement box (401) penetrates to the inner surface of the culture device housing (1), and the guide groove (402) penetrates the placement box (401).

7. The automatic sample culture device according to claim 5, characterized in that: The small cam (406) is slidably connected to the top surface of the push rod (403), and the compression spring (404) is fixedly connected to the top surface of the push rod (403).

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